Philips-MX-3800-D-Service-Manual电路原理图.pdf

CLASS 1LASER PRODUCTServiceServiceServiceMX3550D/37S für Reparaturen sind Original-Ersatzteile zu verwenden.ILe norme di sicurezza esigono che lapparecchio venga rimessonelle condizioni originali e che siano utilizzati i pezzi di ricambioidentici a quelli specificati.“After servicing and before returning set to customer perform aleakage current measurement test from all exposed metal parts toearth ground to assure no shock hazard exist. The leakage currentmust not exceed 0.5mA.“CLASS 1LASER PRODUCT3122 110 03420GB Warning !Invisible laser radiation when open.Avoid direct exposure to beam.S Varning !Osynlig laserstrålning när apparaten är öppnad och spärrenär urkopplad. Betrakta ej strålen.SF Varoitus !Avatussa laitteessa ja suojalukituksen ohitettaessa olet alttiinanäkymättömälle laserisäteilylle. Älä katso säteeseen!DK Advarse !Usynlig laserstråling ved åbning når sikkerhedsafbrydere erude af funktion. Undgå udsaettelse for stråling.Hence in total, reprograming will be done by way of theremote control. It should run as below :-a) Put the player in stop mode. No disc loaded.b) Press the following key on remote control:For MX3550D/37S (USA)For MX3600D/37 (USA)For MX3700D/37S (USA)For MX3800D/21H (AP)For MX3800D/22S (Europe)For MX3800D/33S (Korea)For MX3800D/35S (China) After the Region Code is changed it is necessary to resetthe system so that the new Region Code will be fullyeffective. All customer setting will be lost. On top of the maximum number of times allowed forchanging the region code is changed to 25. When the counter reach 25, you will not be able to furtherchange the code until you reset the timer by the RegionCode timer reset procedure1) System Reseta) Press “SYSTEM“ button on R/C. TV show “SETUP“b) Select the menu using the “ “ and “ “ button on R/Cc) Go feature setup page to do system reset2) Region Code Change2-1System, Region code, Tuner, etc. setting procedureAfter replacement / repair of the MPEG board, the customersetting and the region code may lost. Changing the Regioncode will put the player back in the state which it has left thefactory.Region Code1 USA2EU3 AP, Korea4 Australia, NZ, Latam5 RUSSIA, INDIA6 CHINATV System1 NTSC2PAL3AUTOMenu/ Audio Subtitle (AS) Language1 English2 English3 English4 EnglishAFS001 LX3000D/LX3500D002 MX3550D/MX3600D/MX3700D/MX3800Doem derivative08.region code = 1 digit.tv system = 1 digit.“as/menu lang“ = 1 digit.“AFS“ = “architechture Feature Set“ = 3 digitsThis field is used to define the architecture / features sets foreach product.“oem derivative“ = 2 digitThis field is use to define the OEM set. This will affect thebackground display.3) Region code change timer resetPress below key to reset the timer :a) In DISC source, stop mode and no disc in tray.b) Press R/C “Play -159-PLAY“ to reset timer to 254) Tuner area changea) Press the “OPEN/CLOSE“ button to openthe set's doorb) Press “1“ “5“ “9“ button by using R/C.c) TV Show “TUNER AREA ADJUST“d) Select the tuner area you want by using the “ “ and“ “ button on R/C, then press “OK“ to confirm. TV show“ TUNER AREA CHANGED“If you didn't press it in five seconds, the system will remainoriginal status.USA FM 87.5M 108M 100KAM 530K 1700K 10KAPAC FM 87.5M 108M 50KAM 531K 1602K 9KEUROPE FM 87.5M 108M 50KAM 531K 1602K 9KLATAM FM 87.5M 108M 50KAM 530K 1710K 10KAUSTRALIA FM 87.5M 108M 50K/ NZ AM 531K 1602K 9KNote :-(a) Please refer to the above different tuner area.5. Video Out Changea) Press “SYSTEM“ on R/C buttonb) Select the menu using the “ “ and “ “ button on R/Cc) Go picture setup page select Video out item.6. Password Changea) Press “SYSTEM“ on R/C buttonb) Select the menu using the “ “ and “ “ button on R/Cc) Go feature setup page select “PASSWORD“. TV show“ENTER CODE“. Press 4 times of “STOP“ button on R/C.d) Select “PARENTAL“ “8 ADULT“ on TV.e) Enter PASSWORD to “1234“ “1234“ is a default password supplied.6. Password Changea) Open the CD door.b) Press “123“ and “OK“ on the remote control.c) TV will show the version on screen.7. Upgrading new softwarea) Open the CD-door, then insert the CD-R program disc.b) Close the CD-door.c) TV will show:-.“disc loading“.“bank30.rom“.“writing“ about 6 seconds.“Done“ The latest upgraded is in version VER0410.2-1CAUTION !This information is confidencial and maynot be distributed. Only a qualified serviceperson should reprogram the Region Code.AREA BAND FREQUENCY (Hz) STEP(Hz)2-2 2-2Confirm CorrectREPAIR INSTRUCTION2-3 2-3REPAIR INSTRUCTION3-1DISASSEMBLY INSTRUCTIONS1) Open the DVD Tray by using the Open/Close Buttonwhile the Set is ON and disconnect the mains supply afterremoving the Tray Cover.Note: If this is not possible, the DVD Tray has to be openmanually.Take a mini screw driver about 2mm diameter and makea marking 24mm from the tip as shown in figure 2. placethe set on its side, insert the mini screw driver till themarking and slide it towards the right as shown in figure1 until the Tray moves out of the Front Panel.Dismantling of the Front Panel Assembly2) Return the set to its upright position and remove the TrayCover as shown in Figure 3 and close the tray manuallyby pushing it back in.3) Loosen 9 screws and remove the Top Cover by lifting therear portion upwards before sliding it out towards the rear.-5 screws on the back-2 screws each on the left MX3700/37SScart Jack use for MX3800/22S onlyFigure 7EFigure 6DFDismantling of the Tuner Board1) Loosen 4 screws “E“ on the bottom cover as shown infigure 7.3) Loosen 4 screws “F“ at the top of the Power Board asshown in figure 8Figure 81) Loosen 4 screws “A“ to remove the Servo Board fromthe DVD Module as shown in figure 4AFigure 4Note: Do not lost the limitedparts of the Servo boardDismantling of the Servo BoardBC